The original version of this story appeared in Quanta Magazine. Calculus is a powerful mathematical tool. But for hundreds of years after its invention in the 17th century, it stood on a shaky ...

In this video I will go through my notes to explain how to determine the inverse of a function. We will mainly focus on linear, quadratic, square root, cube root, and cubic functions. I make short, to ...

I make short, to-the-point online math tutorials. I struggled with math growing up and have been able to use those experiences to help students improve in math through practical applications and tips.